[tech-3d] Re: scanner technology...

[bobongo@xxxxxxxxx]

further considerations:
1. It's indeed hard to find something that hasn't yet invented!
2. these lists are really useful!
Sergio
P.S. I can't access the site you gave a pointer to...
--- In tech-3d@xxxx, Brian Reynolds <reynolds@xxxx> wrote:
> Andrew Davidhazy at Rochester Institute of Technology (RIT) has been
> doing work with handscanners used as panoramic cameras.  He's also
> done work with slit scan cameras.
> 
> Some astrophotographers have been using the guts of hand scanners as
> astro CCD cameras for a number of years now.  Usually in
> astrophotography you have to move the camera/telescope in order to
> allow for the Earth's movement.  By properly aligning the
> handscanner/camera with the Earth's axis you can mount a
> scancam/telescope on a fixed mount and read off rows of pixels as 
the
> sky moves across the linear CCD.  You can see this at Peter
> Armstrong's ScanCam page <URL:http://www.scancam.com/>.  He has also
> sorts of information (including timing and circuit diagrams) for
> turning a hand scanner into a camera.



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